Home / 215,965.19-323,910.87-58,156.73

Finding the Fourth Proportional to 215,965.19, 323,910.87 and 58,156.73

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Solution

The fourth proportional to 215,965.19, 323,910.87 and 58,156.73 is: 87,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,965.19 : 323,910.87 = 58,156.73 : x
  2. Step 2: Convert to fraction form
    215,965.19/323,910.87 = 58,156.73/x
  3. Step 3: Cross multiply
    215,965.19x = 323,910.87 × 58,156.73
  4. Step 4: Simplify right side
    215,965.19x = 18,837,598,700.37
  5. Step 5: Solve for x
    x = 18,837,598,700.37/215,965.19
  6. Step 6: Final answer
    x = 87,225.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.